Biologists who study the Sound say that they are seeing different fish and crabs, and in just about every case, these new species are those that were better known hundreds of miles to the south ...

ABOARD THE JOHN DEMPSEY ON LONG ISLAND SOUND -- Thirty years ago, when detailed surveys of ocean life began in Long Island Sound, it was unusual for spot fish to find their way into trawling nets.

As many as 450 new hydroelectric dams are already planned or in construction on the Amazon, Congo, and Mekong rivers. Without more careful assessment and holistic planning at the river basin level, ...

When you think about climate change in our oceans, you may picture coral bleaching, melting sea ice, or extreme weather events. But beneath the ocean’s surface, another quiet shift is underway.

Rebecca Roitman and her two younger brothers, Ben and Max, were among the first to visit the Maritime Aquarium's new permanent exhibit Friday -- "Go Fish! Long Island Sound & Beyond." Accompanied by ...

Australia's tropical fish are heading south into cooler waters. These fish are not just visiting. They are settling into the milder "temperate" reefs that used to be too cold for them. As they do, ...